Gran Tierra Energy Announces 2010 Year-End Reserves

Gran Tierra Energy Inc. (AMEX:GTE,TSX:GTE) announces the results of an independent reserve evaluation of the its reserves by GLJ Petroleum Consultants Ltd. effective December 31, 2010.

The press release is quoted as saying:

Reservoir performance expectations were exceeded at the Costayaco field in Colombia and Costayaco 1P reserves changed to 17.7 million barrels of oil at year-end 2010, from 18.7 million barrels of oil at year-end 2009 despite total production of 4.4 million barrels of oil NAR at the Costayaco field in 2010

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